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Stats Bucket Aggregation Usage
editStats Bucket Aggregation Usage
editFluent DSL example
edita => a .DateHistogram("projects_started_per_month", dh => dh .Field(p => p.StartedOn) .Interval(DateInterval.Month) .Aggregations(aa => aa .Sum("commits", sm => sm .Field(p => p.NumberOfCommits) ) ) ) .StatsBucket("stats_commits_per_month", aaa => aaa .BucketsPath("projects_started_per_month>commits") )
Object Initializer syntax example
editnew DateHistogramAggregation("projects_started_per_month") { Field = "startedOn", Interval = DateInterval.Month, Aggregations = new SumAggregation("commits", "numberOfCommits") } && new StatsBucketAggregation("stats_commits_per_month", "projects_started_per_month>commits")
Example json output.
{ "projects_started_per_month": { "date_histogram": { "field": "startedOn", "interval": "month" }, "aggs": { "commits": { "sum": { "field": "numberOfCommits" } } } }, "stats_commits_per_month": { "stats_bucket": { "buckets_path": "projects_started_per_month>commits" } } }
Handling Responses
editresponse.ShouldBeValid(); var projectsPerMonth = response.Aggregations.DateHistogram("projects_started_per_month"); projectsPerMonth.Should().NotBeNull(); projectsPerMonth.Buckets.Should().NotBeNull(); projectsPerMonth.Buckets.Count.Should().BeGreaterThan(0); var commitsStats = response.Aggregations.StatsBucket("stats_commits_per_month"); commitsStats.Should().NotBeNull(); commitsStats.Average.Should().BeGreaterThan(0); commitsStats.Max.Should().BeGreaterThan(0); commitsStats.Min.Should().BeGreaterThan(0); commitsStats.Count.Should().BeGreaterThan(0); commitsStats.Sum.Should().BeGreaterThan(0);